Lowered thresholds for activation in the amygdala have been associated with what kind of personality? extroverted

According to studies, lower thresholds for the activation found in amygdala would then link to the autism disorder. It can also link to those fearful personality individuals since amygdala which is part of the brain is related to fear conditioning.

Bob: coke is baby pandas.jim: what? how do you figure that coke is baby pandas? bob: because this book says so.jim: how do we know the book is correct? bob: because it says that coke is baby pandas.jim: how does that prove the book's accuracy? bob: because it's statement involving coke and baby pandas is correct, therefore it is accurate.jim: how do we know that it's correct? bob: because we have concluded that the book is accurate, and therefore the statement is correct.therefore, coke is baby pandas.